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Turkish Colemanite

Oxide Analysis Formula
CaO 26.50% 0.90
MgO 1.80% 0.09
Na2O 0.10% 0.00
Al2O3 0.10% 0.00
B2O3 41.40% 1.13
SiO2 5.00% 0.16
Fe2O3 0.10% 0.00
SrO 0.70% 0.01
Oxide Weight 144.08
Formula Weight 190.83


The ground colemanite mill is at Bigadic where several colemanite and ulexite mines are located. The production capacity of the mill is 30.000 tpa. The particle size of the product can be adjusted to either -45 or -75 micron depending on demand.

Related Information


All about Gerstley Borate
Colemanite Data Sheet
Typecodes Flux Source
Materials that source Na2O, K2O, Li2O, CaO, MgO and other fluxes but are not feldspars or frits. Remember that materials can be flux sources but also perform many other roles. For example, talc is a flux in high temperature glazes, but a matting agent in low temperatures ones. It can also be a flux, a filler and an expansion increaser in bodies.
Materials Colemanite
Materials Ulexite
Materials Turkish Ulexite
Materials Chilean Ulexite
Materials Gerstley Borate

By Tony Hansen

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